Finding the Fourth Proportional to 66,142.31, 91,276.34 and 35,927.69

Step by Step Solution

1. Step 1: Write the proportion equation
   66,142.31 : 91,276.34 = 35,927.69 : x
2. Step 2: Convert to fraction form
   66,142.31/91,276.34 = 35,927.69/x
3. Step 3: Cross multiply
   66,142.31x = 91,276.34 × 35,927.69
4. Step 4: Simplify right side
   66,142.31x = 3,279,347,411.83
5. Step 5: Solve for x
   x = 3,279,347,411.83/66,142.31
6. Step 6: Final answer
   x = 49,580.18