Finding the Fourth Proportional to 59,043.81, 88,174.35 and 51,889.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,043.81 : 88,174.35 = 51,889.89 : x
2. Step 2: Convert to fraction form
   59,043.81/88,174.35 = 51,889.89/x
3. Step 3: Cross multiply
   59,043.81x = 88,174.35 × 51,889.89
4. Step 4: Simplify right side
   59,043.81x = 4,575,357,322.32
5. Step 5: Solve for x
   x = 4,575,357,322.32/59,043.81
6. Step 6: Final answer
   x = 77,490.89