Finding the Fourth Proportional to 1,918,913.16, 2,648,141.42 and 1,059,527.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,913.16 : 2,648,141.42 = 1,059,527.72 : x
2. Step 2: Convert to fraction form
   1,918,913.16/2,648,141.42 = 1,059,527.72/x
3. Step 3: Cross multiply
   1,918,913.16x = 2,648,141.42 × 1,059,527.72
4. Step 4: Simplify right side
   1,918,913.16x = 2,805,779,240,970.16
5. Step 5: Solve for x
   x = 2,805,779,240,970.16/1,918,913.16
6. Step 6: Final answer
   x = 1,462,171.03