Finding the Fourth Proportional to 99,784.02, 137,698.50 and 59,477

Step by Step Solution

1. Step 1: Write the proportion equation
   99,784.02 : 137,698.50 = 59,477 : x
2. Step 2: Convert to fraction form
   99,784.02/137,698.50 = 59,477/x
3. Step 3: Cross multiply
   99,784.02x = 137,698.50 × 59,477
4. Step 4: Simplify right side
   99,784.02x = 8,189,893,684.50
5. Step 5: Solve for x
   x = 8,189,893,684.50/99,784.02
6. Step 6: Final answer
   x = 82,076.21