Finding the Fourth Proportional to 93,218,834.91, 139,828,694.64 and 28,522,536.78

Step by Step Solution

1. Step 1: Write the proportion equation
   93,218,834.91 : 139,828,694.64 = 28,522,536.78 : x
2. Step 2: Convert to fraction form
   93,218,834.91/139,828,694.64 = 28,522,536.78/x
3. Step 3: Cross multiply
   93,218,834.91x = 139,828,694.64 × 28,522,536.78
4. Step 4: Simplify right side
   93,218,834.91x = 3,988,269,085,768,788.50
5. Step 5: Solve for x
   x = 3,988,269,085,768,788.50/93,218,834.91
6. Step 6: Final answer
   x = 42,783,940.49