Finding the Fourth Proportional to 10,012,089.10, 14,048,811.20 and 10,012,089.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012,089.10 : 14,048,811.20 = 10,012,089.10 : x
2. Step 2: Convert to fraction form
   10,012,089.10/14,048,811.20 = 10,012,089.10/x
3. Step 3: Cross multiply
   10,012,089.10x = 14,048,811.20 × 10,012,089.10
4. Step 4: Simplify right side
   10,012,089.10x = 140,657,949,483,477.91
5. Step 5: Solve for x
   x = 140,657,949,483,477.91/10,012,089.10
6. Step 6: Final answer
   x = 14,048,811.20