Finding the Fourth Proportional to 89,336,341.58, 123,287,857.79 and 49,643,724.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,336,341.58 : 123,287,857.79 = 49,643,724.06 : x
2. Step 2: Convert to fraction form
   89,336,341.58/123,287,857.79 = 49,643,724.06/x
3. Step 3: Cross multiply
   89,336,341.58x = 123,287,857.79 × 49,643,724.06
4. Step 4: Simplify right side
   89,336,341.58x = 6,120,468,392,075,282
5. Step 5: Solve for x
   x = 6,120,468,392,075,282/89,336,341.58
6. Step 6: Final answer
   x = 68,510,398.83