Finding the Fourth Proportional to 72,310,196.96, 99,763,793.76 and 40,943,960

Step by Step Solution

1. Step 1: Write the proportion equation
   72,310,196.96 : 99,763,793.76 = 40,943,960 : x
2. Step 2: Convert to fraction form
   72,310,196.96/99,763,793.76 = 40,943,960/x
3. Step 3: Cross multiply
   72,310,196.96x = 99,763,793.76 × 40,943,960
4. Step 4: Simplify right side
   72,310,196.96x = 4,084,724,781,157,690
5. Step 5: Solve for x
   x = 4,084,724,781,157,690/72,310,196.96
6. Step 6: Final answer
   x = 56,488,917.92