Finding the Fourth Proportional to 31,209,246.72, 43,070,434.56 and 17,457,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,209,246.72 : 43,070,434.56 = 17,457,390.72 : x
2. Step 2: Convert to fraction form
   31,209,246.72/43,070,434.56 = 17,457,390.72/x
3. Step 3: Cross multiply
   31,209,246.72x = 43,070,434.56 × 17,457,390.72
4. Step 4: Simplify right side
   31,209,246.72x = 751,897,404,594,111.25
5. Step 5: Solve for x
   x = 751,897,404,594,111.25/31,209,246.72
6. Step 6: Final answer
   x = 24,092,135.62