Finding the Fourth Proportional to 62,784.88, 86,643.72 and 34,491.16

Step by Step Solution

1. Step 1: Write the proportion equation
   62,784.88 : 86,643.72 = 34,491.16 : x
2. Step 2: Convert to fraction form
   62,784.88/86,643.72 = 34,491.16/x
3. Step 3: Cross multiply
   62,784.88x = 86,643.72 × 34,491.16
4. Step 4: Simplify right side
   62,784.88x = 2,988,442,409.52
5. Step 5: Solve for x
   x = 2,988,442,409.52/62,784.88
6. Step 6: Final answer
   x = 47,598.12