Finding the Fourth Proportional to 112,345,404.90, 168,518,107.35 and 79,928,816.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,345,404.90 : 168,518,107.35 = 79,928,816.10 : x
2. Step 2: Convert to fraction form
   112,345,404.90/168,518,107.35 = 79,928,816.10/x
3. Step 3: Cross multiply
   112,345,404.90x = 168,518,107.35 × 79,928,816.10
4. Step 4: Simplify right side
   112,345,404.90x = 13,469,452,811,898,206
5. Step 5: Solve for x
   x = 13,469,452,811,898,206/112,345,404.90
6. Step 6: Final answer
   x = 119,893,224.15