Finding the Fourth Proportional to 93,002.82, 128,407.27 and 62,421.77

Step by Step Solution

1. Step 1: Write the proportion equation
   93,002.82 : 128,407.27 = 62,421.77 : x
2. Step 2: Convert to fraction form
   93,002.82/128,407.27 = 62,421.77/x
3. Step 3: Cross multiply
   93,002.82x = 128,407.27 × 62,421.77
4. Step 4: Simplify right side
   93,002.82x = 8,015,409,884.02
5. Step 5: Solve for x
   x = 8,015,409,884.02/93,002.82
6. Step 6: Final answer
   x = 86,184.59