Finding the Fourth Proportional to 31,290,673.12, 43,181,059.50 and 17,351,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,290,673.12 : 43,181,059.50 = 17,351,683.72 : x
2. Step 2: Convert to fraction form
   31,290,673.12/43,181,059.50 = 17,351,683.72/x
3. Step 3: Cross multiply
   31,290,673.12x = 43,181,059.50 × 17,351,683.72
4. Step 4: Simplify right side
   31,290,673.12x = 749,264,087,138,501.25
5. Step 5: Solve for x
   x = 749,264,087,138,501.25/31,290,673.12
6. Step 6: Final answer
   x = 23,945,285.05