Finding the Fourth Proportional to 12,642,580,267.86, 17,447,832,154.71 and 7,005,564,323.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,642,580,267.86 : 17,447,832,154.71 = 7,005,564,323.22 : x
2. Step 2: Convert to fraction form
   12,642,580,267.86/17,447,832,154.71 = 7,005,564,323.22/x
3. Step 3: Cross multiply
   12,642,580,267.86x = 17,447,832,154.71 × 7,005,564,323.22
4. Step 4: Simplify right side
   12,642,580,267.86x = 122,231,910,460,567,109,632
5. Step 5: Solve for x
   x = 122,231,910,460,567,109,632/12,642,580,267.86
6. Step 6: Final answer
   x = 9,668,272,446.83