Finding the Fourth Proportional to 3,399,405.30, 5,087,298.15 and 3,115,970.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399,405.30 : 5,087,298.15 = 3,115,970.10 : x
2. Step 2: Convert to fraction form
   3,399,405.30/5,087,298.15 = 3,115,970.10/x
3. Step 3: Cross multiply
   3,399,405.30x = 5,087,298.15 × 3,115,970.10
4. Step 4: Simplify right side
   3,399,405.30x = 15,851,868,925,185.32
5. Step 5: Solve for x
   x = 15,851,868,925,185.32/3,399,405.30
6. Step 6: Final answer
   x = 4,663,130.03