Finding the Fourth Proportional to 9,210,103.18, 12,709,719.67 and 5,080,045.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210,103.18 : 12,709,719.67 = 5,080,045.61 : x
2. Step 2: Convert to fraction form
   9,210,103.18/12,709,719.67 = 5,080,045.61/x
3. Step 3: Cross multiply
   9,210,103.18x = 12,709,719.67 × 5,080,045.61
4. Step 4: Simplify right side
   9,210,103.18x = 64,565,955,642,513.42
5. Step 5: Solve for x
   x = 64,565,955,642,513.42/9,210,103.18
6. Step 6: Final answer
   x = 7,010,340.10