Finding the Fourth Proportional to 12,807,788.02, 17,674,886.98 and 7,006,445.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807,788.02 : 17,674,886.98 = 7,006,445.20 : x
2. Step 2: Convert to fraction form
   12,807,788.02/17,674,886.98 = 7,006,445.20/x
3. Step 3: Cross multiply
   12,807,788.02x = 17,674,886.98 × 7,006,445.20
4. Step 4: Simplify right side
   12,807,788.02x = 123,838,127,041,563.50
5. Step 5: Solve for x
   x = 123,838,127,041,563.50/12,807,788.02
6. Step 6: Final answer
   x = 9,668,970.70