Finding the Fourth Proportional to 109,399.18, 151,021.27 and 64,070.86

Step by Step Solution

1. Step 1: Write the proportion equation
   109,399.18 : 151,021.27 = 64,070.86 : x
2. Step 2: Convert to fraction form
   109,399.18/151,021.27 = 64,070.86/x
3. Step 3: Cross multiply
   109,399.18x = 151,021.27 × 64,070.86
4. Step 4: Simplify right side
   109,399.18x = 9,676,062,647.19
5. Step 5: Solve for x
   x = 9,676,062,647.19/109,399.18
6. Step 6: Final answer
   x = 88,447.31