Finding the Fourth Proportional to 72,462,402.06, 99,990,649.26 and 43,088,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,462,402.06 : 99,990,649.26 = 43,088,058.72 : x
2. Step 2: Convert to fraction form
   72,462,402.06/99,990,649.26 = 43,088,058.72/x
3. Step 3: Cross multiply
   72,462,402.06x = 99,990,649.26 × 43,088,058.72
4. Step 4: Simplify right side
   72,462,402.06x = 4,308,402,966,765,804.50
5. Step 5: Solve for x
   x = 4,308,402,966,765,804.50/72,462,402.06
6. Step 6: Final answer
   x = 59,457,081.80