Finding the Fourth Proportional to 156,870.81, 235,308.65 and 50,274.81

Step by Step Solution

1. Step 1: Write the proportion equation
   156,870.81 : 235,308.65 = 50,274.81 : x
2. Step 2: Convert to fraction form
   156,870.81/235,308.65 = 50,274.81/x
3. Step 3: Cross multiply
   156,870.81x = 235,308.65 × 50,274.81
4. Step 4: Simplify right side
   156,870.81x = 11,830,097,418.73
5. Step 5: Solve for x
   x = 11,830,097,418.73/156,870.81
6. Step 6: Final answer
   x = 75,412.99