Finding the Fourth Proportional to 62,783.98, 86,641.95 and 34,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,783.98 : 86,641.95 = 34,491.50 : x
2. Step 2: Convert to fraction form
   62,783.98/86,641.95 = 34,491.50/x
3. Step 3: Cross multiply
   62,783.98x = 86,641.95 × 34,491.50
4. Step 4: Simplify right side
   62,783.98x = 2,988,410,818.43
5. Step 5: Solve for x
   x = 2,988,410,818.43/62,783.98
6. Step 6: Final answer
   x = 47,598.30