Finding the Fourth Proportional to 13,147,420.98, 19,722,123.04 and 3,924,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,147,420.98 : 19,722,123.04 = 3,924,665.30 : x
2. Step 2: Convert to fraction form
   13,147,420.98/19,722,123.04 = 3,924,665.30/x
3. Step 3: Cross multiply
   13,147,420.98x = 19,722,123.04 × 3,924,665.30
4. Step 4: Simplify right side
   13,147,420.98x = 77,402,731,838,807.89
5. Step 5: Solve for x
   x = 77,402,731,838,807.89/13,147,420.98
6. Step 6: Final answer
   x = 5,887,293.94