Finding the Fourth Proportional to 152,611.34, 228,870.18 and 105,528.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,611.34 : 228,870.18 = 105,528.96 : x
2. Step 2: Convert to fraction form
   152,611.34/228,870.18 = 105,528.96/x
3. Step 3: Cross multiply
   152,611.34x = 228,870.18 × 105,528.96
4. Step 4: Simplify right side
   152,611.34x = 24,152,432,070.41
5. Step 5: Solve for x
   x = 24,152,432,070.41/152,611.34
6. Step 6: Final answer
   x = 158,261.06