Finding the Fourth Proportional to 73,639,680, 110,460,073.50 and 32,688,109.78

Step by Step Solution

1. Step 1: Write the proportion equation
   73,639,680 : 110,460,073.50 = 32,688,109.78 : x
2. Step 2: Convert to fraction form
   73,639,680/110,460,073.50 = 32,688,109.78/x
3. Step 3: Cross multiply
   73,639,680x = 110,460,073.50 × 32,688,109.78
4. Step 4: Simplify right side
   73,639,680x = 3,610,731,008,874,869
5. Step 5: Solve for x
   x = 3,610,731,008,874,869/73,639,680
6. Step 6: Final answer
   x = 49,032,410.36