Finding the Fourth Proportional to 141,916.42, 212,875.50 and 42,077.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,916.42 : 212,875.50 = 42,077.56 : x
2. Step 2: Convert to fraction form
   141,916.42/212,875.50 = 42,077.56/x
3. Step 3: Cross multiply
   141,916.42x = 212,875.50 × 42,077.56
4. Step 4: Simplify right side
   141,916.42x = 8,957,281,623.78
5. Step 5: Solve for x
   x = 8,957,281,623.78/141,916.42
6. Step 6: Final answer
   x = 63,116.60