Finding the Fourth Proportional to 89,267,694.72, 123,178,263.81 and 49,569,828.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,267,694.72 : 123,178,263.81 = 49,569,828.30 : x
2. Step 2: Convert to fraction form
   89,267,694.72/123,178,263.81 = 49,569,828.30/x
3. Step 3: Cross multiply
   89,267,694.72x = 123,178,263.81 × 49,569,828.30
4. Step 4: Simplify right side
   89,267,694.72x = 6,105,925,387,353,804
5. Step 5: Solve for x
   x = 6,105,925,387,353,804/89,267,694.72
6. Step 6: Final answer
   x = 68,400,168.80