Finding the Fourth Proportional to 67,998,693.72, 102,028,089.96 and 35,642,859.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,998,693.72 : 102,028,089.96 = 35,642,859.78 : x
2. Step 2: Convert to fraction form
   67,998,693.72/102,028,089.96 = 35,642,859.78/x
3. Step 3: Cross multiply
   67,998,693.72x = 102,028,089.96 × 35,642,859.78
4. Step 4: Simplify right side
   67,998,693.72x = 3,636,572,904,065,505.50
5. Step 5: Solve for x
   x = 3,636,572,904,065,505.50/67,998,693.72
6. Step 6: Final answer
   x = 53,480,040.65