Finding the Fourth Proportional to 162,423,105.84, 223,895,919.12 and 99,582,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,423,105.84 : 223,895,919.12 = 99,582,864.72 : x
2. Step 2: Convert to fraction form
   162,423,105.84/223,895,919.12 = 99,582,864.72/x
3. Step 3: Cross multiply
   162,423,105.84x = 223,895,919.12 × 99,582,864.72
4. Step 4: Simplify right side
   162,423,105.84x = 22,296,197,025,087,020
5. Step 5: Solve for x
   x = 22,296,197,025,087,020/162,423,105.84
6. Step 6: Final answer
   x = 137,272,322.86