Finding the Fourth Proportional to 85,555.02, 118,066.71 and 47,312.59

Step by Step Solution

1. Step 1: Write the proportion equation
   85,555.02 : 118,066.71 = 47,312.59 : x
2. Step 2: Convert to fraction form
   85,555.02/118,066.71 = 47,312.59/x
3. Step 3: Cross multiply
   85,555.02x = 118,066.71 × 47,312.59
4. Step 4: Simplify right side
   85,555.02x = 5,586,041,311.15
5. Step 5: Solve for x
   x = 5,586,041,311.15/85,555.02
6. Step 6: Final answer
   x = 65,291.80