Finding the Fourth Proportional to 10,554,383.78, 14,565,077.70 and 5,725,487.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554,383.78 : 14,565,077.70 = 5,725,487.78 : x
2. Step 2: Convert to fraction form
   10,554,383.78/14,565,077.70 = 5,725,487.78/x
3. Step 3: Cross multiply
   10,554,383.78x = 14,565,077.70 × 5,725,487.78
4. Step 4: Simplify right side
   10,554,383.78x = 83,392,174,386,100.50
5. Step 5: Solve for x
   x = 83,392,174,386,100.50/10,554,383.78
6. Step 6: Final answer
   x = 7,901,188.37