Finding the Fourth Proportional to 85,152.64, 117,514.29 and 47,426.86

Step by Step Solution

1. Step 1: Write the proportion equation
   85,152.64 : 117,514.29 = 47,426.86 : x
2. Step 2: Convert to fraction form
   85,152.64/117,514.29 = 47,426.86/x
3. Step 3: Cross multiply
   85,152.64x = 117,514.29 × 47,426.86
4. Step 4: Simplify right side
   85,152.64x = 5,573,333,779.83
5. Step 5: Solve for x
   x = 5,573,333,779.83/85,152.64
6. Step 6: Final answer
   x = 65,451.10