Finding the Fourth Proportional to 1,440,300.57, 2,160,451.58 and 375,339.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,300.57 : 2,160,451.58 = 375,339.93 : x
2. Step 2: Convert to fraction form
   1,440,300.57/2,160,451.58 = 375,339.93/x
3. Step 3: Cross multiply
   1,440,300.57x = 2,160,451.58 × 375,339.93
4. Step 4: Simplify right side
   1,440,300.57x = 810,903,742,928.89
5. Step 5: Solve for x
   x = 810,903,742,928.89/1,440,300.57
6. Step 6: Final answer
   x = 563,010.08