Finding the Fourth Proportional to 8,300,917.50, 11,455,266.15 and 4,679,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300,917.50 : 11,455,266.15 = 4,679,245.50 : x
2. Step 2: Convert to fraction form
   8,300,917.50/11,455,266.15 = 4,679,245.50/x
3. Step 3: Cross multiply
   8,300,917.50x = 11,455,266.15 × 4,679,245.50
4. Step 4: Simplify right side
   8,300,917.50x = 53,602,002,583,689.83
5. Step 5: Solve for x
   x = 53,602,002,583,689.83/8,300,917.50
6. Step 6: Final answer
   x = 6,457,358.79