Finding the Fourth Proportional to 8,855,085.30, 12,215,842.58 and 5,181,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,855,085.30 : 12,215,842.58 = 5,181,748.50 : x
2. Step 2: Convert to fraction form
   8,855,085.30/12,215,842.58 = 5,181,748.50/x
3. Step 3: Cross multiply
   8,855,085.30x = 12,215,842.58 × 5,181,748.50
4. Step 4: Simplify right side
   8,855,085.30x = 63,299,423,965,151.13
5. Step 5: Solve for x
   x = 63,299,423,965,151.13/8,855,085.30
6. Step 6: Final answer
   x = 7,148,369.76