Finding the Fourth Proportional to 2,646,123.86, 3,965,698.17 and 1,047,815.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,123.86 : 3,965,698.17 = 1,047,815.06 : x
2. Step 2: Convert to fraction form
   2,646,123.86/3,965,698.17 = 1,047,815.06/x
3. Step 3: Cross multiply
   2,646,123.86x = 3,965,698.17 × 1,047,815.06
4. Step 4: Simplify right side
   2,646,123.86x = 4,155,318,246,111.95
5. Step 5: Solve for x
   x = 4,155,318,246,111.95/2,646,123.86
6. Step 6: Final answer
   x = 1,570,341.55