Finding the Fourth Proportional to 89,646,056.10, 134,469,084.15 and 89,646,056.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,646,056.10 : 134,469,084.15 = 89,646,056.10 : x
2. Step 2: Convert to fraction form
   89,646,056.10/134,469,084.15 = 89,646,056.10/x
3. Step 3: Cross multiply
   89,646,056.10x = 134,469,084.15 × 89,646,056.10
4. Step 4: Simplify right side
   89,646,056.10x = 12,054,623,061,426,520
5. Step 5: Solve for x
   x = 12,054,623,061,426,520/89,646,056.10
6. Step 6: Final answer
   x = 134,469,084.15