Finding the Fourth Proportional to 838,814.27, 1,157,667.93 and 476,354.59

Step by Step Solution

1. Step 1: Write the proportion equation
   838,814.27 : 1,157,667.93 = 476,354.59 : x
2. Step 2: Convert to fraction form
   838,814.27/1,157,667.93 = 476,354.59/x
3. Step 3: Cross multiply
   838,814.27x = 1,157,667.93 × 476,354.59
4. Step 4: Simplify right side
   838,814.27x = 551,460,429,257.13
5. Step 5: Solve for x
   x = 551,460,429,257.13/838,814.27
6. Step 6: Final answer
   x = 657,428.53