Finding the Fourth Proportional to 89,880,642.30, 124,120,949.86 and 84,984,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,880,642.30 : 124,120,949.86 = 84,984,007.42 : x
2. Step 2: Convert to fraction form
   89,880,642.30/124,120,949.86 = 84,984,007.42/x
3. Step 3: Cross multiply
   89,880,642.30x = 124,120,949.86 × 84,984,007.42
4. Step 4: Simplify right side
   89,880,642.30x = 10,548,295,723,879,688
5. Step 5: Solve for x
   x = 10,548,295,723,879,688/89,880,642.30
6. Step 6: Final answer
   x = 117,358,926.84