Finding the Fourth Proportional to 75,051.83, 103,557.89 and 42,785.07

Step by Step Solution

1. Step 1: Write the proportion equation
   75,051.83 : 103,557.89 = 42,785.07 : x
2. Step 2: Convert to fraction form
   75,051.83/103,557.89 = 42,785.07/x
3. Step 3: Cross multiply
   75,051.83x = 103,557.89 × 42,785.07
4. Step 4: Simplify right side
   75,051.83x = 4,430,731,358.78
5. Step 5: Solve for x
   x = 4,430,731,358.78/75,051.83
6. Step 6: Final answer
   x = 59,035.62