Finding the Fourth Proportional to 9,615,898.78, 13,269,937.86 and 5,264,983.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615,898.78 : 13,269,937.86 = 5,264,983.96 : x
2. Step 2: Convert to fraction form
   9,615,898.78/13,269,937.86 = 5,264,983.96/x
3. Step 3: Cross multiply
   9,615,898.78x = 13,269,937.86 × 5,264,983.96
4. Step 4: Simplify right side
   9,615,898.78x = 69,866,009,983,096.72
5. Step 5: Solve for x
   x = 69,866,009,983,096.72/9,615,898.78
6. Step 6: Final answer
   x = 7,265,676.52