Finding the Fourth Proportional to 298,389,984.40, 447,645,510.60 and 93,870,492.40

Step by Step Solution

1. Step 1: Write the proportion equation
   298,389,984.40 : 447,645,510.60 = 93,870,492.40 : x
2. Step 2: Convert to fraction form
   298,389,984.40/447,645,510.60 = 93,870,492.40/x
3. Step 3: Cross multiply
   298,389,984.40x = 447,645,510.60 × 93,870,492.40
4. Step 4: Simplify right side
   298,389,984.40x = 42,020,704,500,671,424
5. Step 5: Solve for x
   x = 42,020,704,500,671,424/298,389,984.40
6. Step 6: Final answer
   x = 140,824,781.99