Finding the Fourth Proportional to 1,472,066.31, 2,031,096.81 and 859,871.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472,066.31 : 2,031,096.81 = 859,871.55 : x
2. Step 2: Convert to fraction form
   1,472,066.31/2,031,096.81 = 859,871.55/x
3. Step 3: Cross multiply
   1,472,066.31x = 2,031,096.81 × 859,871.55
4. Step 4: Simplify right side
   1,472,066.31x = 1,746,482,362,214.76
5. Step 5: Solve for x
   x = 1,746,482,362,214.76/1,472,066.31
6. Step 6: Final answer
   x = 1,186,415.55