Finding the Fourth Proportional to 13,066,192.74, 19,601,905.31 and 7,317,102.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066,192.74 : 19,601,905.31 = 7,317,102.15 : x
2. Step 2: Convert to fraction form
   13,066,192.74/19,601,905.31 = 7,317,102.15/x
3. Step 3: Cross multiply
   13,066,192.74x = 19,601,905.31 × 7,317,102.15
4. Step 4: Simplify right side
   13,066,192.74x = 143,429,143,519,909.72
5. Step 5: Solve for x
   x = 143,429,143,519,909.72/13,066,192.74
6. Step 6: Final answer
   x = 10,977,118.30