Finding the Fourth Proportional to 151,781,105.76, 209,457,881.76 and 82,166,435.04

Step by Step Solution

1. Step 1: Write the proportion equation
   151,781,105.76 : 209,457,881.76 = 82,166,435.04 : x
2. Step 2: Convert to fraction form
   151,781,105.76/209,457,881.76 = 82,166,435.04/x
3. Step 3: Cross multiply
   151,781,105.76x = 209,457,881.76 × 82,166,435.04
4. Step 4: Simplify right side
   151,781,105.76x = 17,210,407,435,249,042
5. Step 5: Solve for x
   x = 17,210,407,435,249,042/151,781,105.76
6. Step 6: Final answer
   x = 113,389,656.43