Finding the Fourth Proportional to 1,071,667.52, 1,480,128.56 and 705,780.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,667.52 : 1,480,128.56 = 705,780.24 : x
2. Step 2: Convert to fraction form
   1,071,667.52/1,480,128.56 = 705,780.24/x
3. Step 3: Cross multiply
   1,071,667.52x = 1,480,128.56 × 705,780.24
4. Step 4: Simplify right side
   1,071,667.52x = 1,044,645,490,307.65
5. Step 5: Solve for x
   x = 1,044,645,490,307.65/1,071,667.52
6. Step 6: Final answer
   x = 974,785.06