Finding the Fourth Proportional to 74,269.98, 102,490.76 and 42,436.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,269.98 : 102,490.76 = 42,436.82 : x
2. Step 2: Convert to fraction form
   74,269.98/102,490.76 = 42,436.82/x
3. Step 3: Cross multiply
   74,269.98x = 102,490.76 × 42,436.82
4. Step 4: Simplify right side
   74,269.98x = 4,349,381,933.78
5. Step 5: Solve for x
   x = 4,349,381,933.78/74,269.98
6. Step 6: Final answer
   x = 58,561.78