Finding the Fourth Proportional to 5,161,762.74, 7,123,069.50 and 2,838,648.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,161,762.74 : 7,123,069.50 = 2,838,648.06 : x
2. Step 2: Convert to fraction form
   5,161,762.74/7,123,069.50 = 2,838,648.06/x
3. Step 3: Cross multiply
   5,161,762.74x = 7,123,069.50 × 2,838,648.06
4. Step 4: Simplify right side
   5,161,762.74x = 20,219,887,417,420.17
5. Step 5: Solve for x
   x = 20,219,887,417,420.17/5,161,762.74
6. Step 6: Final answer
   x = 3,917,244.64