Finding the Fourth Proportional to 155,595.90, 233,406.12 and 76,667.10

Step by Step Solution

1. Step 1: Write the proportion equation
   155,595.90 : 233,406.12 = 76,667.10 : x
2. Step 2: Convert to fraction form
   155,595.90/233,406.12 = 76,667.10/x
3. Step 3: Cross multiply
   155,595.90x = 233,406.12 × 76,667.10
4. Step 4: Simplify right side
   155,595.90x = 17,894,570,342.65
5. Step 5: Solve for x
   x = 17,894,570,342.65/155,595.90
6. Step 6: Final answer
   x = 115,006.70