Finding the Fourth Proportional to 59,434.56, 88,620.48 and 57,801.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,434.56 : 88,620.48 = 57,801.60 : x
2. Step 2: Convert to fraction form
   59,434.56/88,620.48 = 57,801.60/x
3. Step 3: Cross multiply
   59,434.56x = 88,620.48 × 57,801.60
4. Step 4: Simplify right side
   59,434.56x = 5,122,405,536.77
5. Step 5: Solve for x
   x = 5,122,405,536.77/59,434.56
6. Step 6: Final answer
   x = 86,185.64