Finding the Fourth Proportional to 353,457,646.61, 529,822,684.82 and 156,813,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   353,457,646.61 : 529,822,684.82 = 156,813,667.88 : x
2. Step 2: Convert to fraction form
   353,457,646.61/529,822,684.82 = 156,813,667.88/x
3. Step 3: Cross multiply
   353,457,646.61x = 529,822,684.82 × 156,813,667.88
4. Step 4: Simplify right side
   353,457,646.61x = 83,083,438,530,396,320
5. Step 5: Solve for x
   x = 83,083,438,530,396,320/353,457,646.61
6. Step 6: Final answer
   x = 235,059,106.31