Finding the Fourth Proportional to 49,948,371.04, 74,920,845.84 and 21,175,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,948,371.04 : 74,920,845.84 = 21,175,978.72 : x
2. Step 2: Convert to fraction form
   49,948,371.04/74,920,845.84 = 21,175,978.72/x
3. Step 3: Cross multiply
   49,948,371.04x = 74,920,845.84 × 21,175,978.72
4. Step 4: Simplify right side
   49,948,371.04x = 1,586,522,237,192,240.50
5. Step 5: Solve for x
   x = 1,586,522,237,192,240.50/49,948,371.04
6. Step 6: Final answer
   x = 31,763,242.81