Finding the Fourth Proportional to 98,767.59, 148,156.38 and 56,636.39

Step by Step Solution

1. Step 1: Write the proportion equation
   98,767.59 : 148,156.38 = 56,636.39 : x
2. Step 2: Convert to fraction form
   98,767.59/148,156.38 = 56,636.39/x
3. Step 3: Cross multiply
   98,767.59x = 148,156.38 × 56,636.39
4. Step 4: Simplify right side
   98,767.59x = 8,391,041,777.89
5. Step 5: Solve for x
   x = 8,391,041,777.89/98,767.59
6. Step 6: Final answer
   x = 84,957.44