Finding the Fourth Proportional to 311,312,773.10, 429,612,492.74 and 170,185,698.83

Step by Step Solution

1. Step 1: Write the proportion equation
   311,312,773.10 : 429,612,492.74 = 170,185,698.83 : x
2. Step 2: Convert to fraction form
   311,312,773.10/429,612,492.74 = 170,185,698.83/x
3. Step 3: Cross multiply
   311,312,773.10x = 429,612,492.74 × 170,185,698.83
4. Step 4: Simplify right side
   311,312,773.10x = 73,113,902,300,056,208
5. Step 5: Solve for x
   x = 73,113,902,300,056,208/311,312,773.10
6. Step 6: Final answer
   x = 234,856,737.72