Finding the Fourth Proportional to 142,635,717.86, 213,943,111.99 and 45,565,362.05

Step by Step Solution

1. Step 1: Write the proportion equation
   142,635,717.86 : 213,943,111.99 = 45,565,362.05 : x
2. Step 2: Convert to fraction form
   142,635,717.86/213,943,111.99 = 45,565,362.05/x
3. Step 3: Cross multiply
   142,635,717.86x = 213,943,111.99 × 45,565,362.05
4. Step 4: Simplify right side
   142,635,717.86x = 9,748,395,354,744,418
5. Step 5: Solve for x
   x = 9,748,395,354,744,418/142,635,717.86
6. Step 6: Final answer
   x = 68,344,700.06