Finding the Fourth Proportional to 23,047,878.53, 31,806,007.08 and 12,734,528.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,047,878.53 : 31,806,007.08 = 12,734,528.15 : x
2. Step 2: Convert to fraction form
   23,047,878.53/31,806,007.08 = 12,734,528.15/x
3. Step 3: Cross multiply
   23,047,878.53x = 31,806,007.08 × 12,734,528.15
4. Step 4: Simplify right side
   23,047,878.53x = 405,034,492,499,359.31
5. Step 5: Solve for x
   x = 405,034,492,499,359.31/23,047,878.53
6. Step 6: Final answer
   x = 17,573,612.77