Finding the Fourth Proportional to 42,592.62, 63,898.33 and 13,012.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,592.62 : 63,898.33 = 13,012.76 : x
2. Step 2: Convert to fraction form
   42,592.62/63,898.33 = 13,012.76/x
3. Step 3: Cross multiply
   42,592.62x = 63,898.33 × 13,012.76
4. Step 4: Simplify right side
   42,592.62x = 831,493,892.46
5. Step 5: Solve for x
   x = 831,493,892.46/42,592.62
6. Step 6: Final answer
   x = 19,522.02