Finding the Fourth Proportional to 89,879,859.50, 124,119,866.52 and 84,983,219.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,879,859.50 : 124,119,866.52 = 84,983,219.12 : x
2. Step 2: Convert to fraction form
   89,879,859.50/124,119,866.52 = 84,983,219.12/x
3. Step 3: Cross multiply
   89,879,859.50x = 124,119,866.52 × 84,983,219.12
4. Step 4: Simplify right side
   89,879,859.50x = 10,548,105,813,614,312
5. Step 5: Solve for x
   x = 10,548,105,813,614,312/89,879,859.50
6. Step 6: Final answer
   x = 117,357,836.03