Finding the Fourth Proportional to 1,071,685.59, 1,478,844.86 and 588,173.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,685.59 : 1,478,844.86 = 588,173.91 : x
2. Step 2: Convert to fraction form
   1,071,685.59/1,478,844.86 = 588,173.91/x
3. Step 3: Cross multiply
   1,071,685.59x = 1,478,844.86 × 588,173.91
4. Step 4: Simplify right side
   1,071,685.59x = 869,817,960,648.73
5. Step 5: Solve for x
   x = 869,817,960,648.73/1,071,685.59
6. Step 6: Final answer
   x = 811,635.40