Finding the Fourth Proportional to 90,700.76, 136,052.51 and 34,543.98

Step by Step Solution

1. Step 1: Write the proportion equation
   90,700.76 : 136,052.51 = 34,543.98 : x
2. Step 2: Convert to fraction form
   90,700.76/136,052.51 = 34,543.98/x
3. Step 3: Cross multiply
   90,700.76x = 136,052.51 × 34,543.98
4. Step 4: Simplify right side
   90,700.76x = 4,699,795,184.39
5. Step 5: Solve for x
   x = 4,699,795,184.39/90,700.76
6. Step 6: Final answer
   x = 51,816.49