Finding the Fourth Proportional to 74,488.86, 102,789.27 and 42,656.94

Step by Step Solution

1. Step 1: Write the proportion equation
   74,488.86 : 102,789.27 = 42,656.94 : x
2. Step 2: Convert to fraction form
   74,488.86/102,789.27 = 42,656.94/x
3. Step 3: Cross multiply
   74,488.86x = 102,789.27 × 42,656.94
4. Step 4: Simplify right side
   74,488.86x = 4,384,675,723.03
5. Step 5: Solve for x
   x = 4,384,675,723.03/74,488.86
6. Step 6: Final answer
   x = 58,863.51