Finding the Fourth Proportional to 55,424,644.88, 76,482,924.72 and 30,643,399.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,424,644.88 : 76,482,924.72 = 30,643,399.04 : x
2. Step 2: Convert to fraction form
   55,424,644.88/76,482,924.72 = 30,643,399.04/x
3. Step 3: Cross multiply
   55,424,644.88x = 76,482,924.72 × 30,643,399.04
4. Step 4: Simplify right side
   55,424,644.88x = 2,343,696,781,941,240
5. Step 5: Solve for x
   x = 2,343,696,781,941,240/55,424,644.88
6. Step 6: Final answer
   x = 42,286,184.91