Finding the Fourth Proportional to 5,425,831.80, 7,487,618.33 and 2,978,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,425,831.80 : 7,487,618.33 = 2,978,484.50 : x
2. Step 2: Convert to fraction form
   5,425,831.80/7,487,618.33 = 2,978,484.50/x
3. Step 3: Cross multiply
   5,425,831.80x = 7,487,618.33 × 2,978,484.50
4. Step 4: Simplify right side
   5,425,831.80x = 22,301,755,085,490.37
5. Step 5: Solve for x
   x = 22,301,755,085,490.37/5,425,831.80
6. Step 6: Final answer
   x = 4,110,292.38