Finding the Fourth Proportional to 114,421.86, 157,897.89 and 64,117.62

Step by Step Solution

1. Step 1: Write the proportion equation
   114,421.86 : 157,897.89 = 64,117.62 : x
2. Step 2: Convert to fraction form
   114,421.86/157,897.89 = 64,117.62/x
3. Step 3: Cross multiply
   114,421.86x = 157,897.89 × 64,117.62
4. Step 4: Simplify right side
   114,421.86x = 10,124,036,909.82
5. Step 5: Solve for x
   x = 10,124,036,909.82/114,421.86
6. Step 6: Final answer
   x = 88,479.92