Finding the Fourth Proportional to 8,918,066.52, 12,312,030.78 and 5,871,138.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,918,066.52 : 12,312,030.78 = 5,871,138.12 : x
2. Step 2: Convert to fraction form
   8,918,066.52/12,312,030.78 = 5,871,138.12/x
3. Step 3: Cross multiply
   8,918,066.52x = 12,312,030.78 × 5,871,138.12
4. Step 4: Simplify right side
   8,918,066.52x = 72,285,633,247,071.33
5. Step 5: Solve for x
   x = 72,285,633,247,071.33/8,918,066.52
6. Step 6: Final answer
   x = 8,105,527.48