Finding the Fourth Proportional to 32,491,320.72, 48,736,605.18 and 7,899,386.90

Step by Step Solution

1. Step 1: Write the proportion equation
   32,491,320.72 : 48,736,605.18 = 7,899,386.90 : x
2. Step 2: Convert to fraction form
   32,491,320.72/48,736,605.18 = 7,899,386.90/x
3. Step 3: Cross multiply
   32,491,320.72x = 48,736,605.18 × 7,899,386.90
4. Step 4: Simplify right side
   32,491,320.72x = 384,989,300,509,364.19
5. Step 5: Solve for x
   x = 384,989,300,509,364.19/32,491,320.72
6. Step 6: Final answer
   x = 11,848,988.96