Finding the Fourth Proportional to 12,906,055.01, 19,358,951.28 and 3,321,396.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906,055.01 : 19,358,951.28 = 3,321,396.29 : x
2. Step 2: Convert to fraction form
   12,906,055.01/19,358,951.28 = 3,321,396.29/x
3. Step 3: Cross multiply
   12,906,055.01x = 19,358,951.28 × 3,321,396.29
4. Step 4: Simplify right side
   12,906,055.01x = 64,298,748,862,888
5. Step 5: Solve for x
   x = 64,298,748,862,888/12,906,055.01
6. Step 6: Final answer
   x = 4,982,060.66