Finding the Fourth Proportional to 77,875.25, 107,467.89 and 42,065.26

Step by Step Solution

1. Step 1: Write the proportion equation
   77,875.25 : 107,467.89 = 42,065.26 : x
2. Step 2: Convert to fraction form
   77,875.25/107,467.89 = 42,065.26/x
3. Step 3: Cross multiply
   77,875.25x = 107,467.89 × 42,065.26
4. Step 4: Simplify right side
   77,875.25x = 4,520,664,470.15
5. Step 5: Solve for x
   x = 4,520,664,470.15/77,875.25
6. Step 6: Final answer
   x = 58,050.08