Finding the Fourth Proportional to 62,912, 86,819.17 and 34,618.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,912 : 86,819.17 = 34,618.30 : x
2. Step 2: Convert to fraction form
   62,912/86,819.17 = 34,618.30/x
3. Step 3: Cross multiply
   62,912x = 86,819.17 × 34,618.30
4. Step 4: Simplify right side
   62,912x = 3,005,531,552.17
5. Step 5: Solve for x
   x = 3,005,531,552.17/62,912
6. Step 6: Final answer
   x = 47,773.58