Finding the Fourth Proportional to 48,640,461.12, 72,971,099.98 and 17,935,128.74

Step by Step Solution

1. Step 1: Write the proportion equation
   48,640,461.12 : 72,971,099.98 = 17,935,128.74 : x
2. Step 2: Convert to fraction form
   48,640,461.12/72,971,099.98 = 17,935,128.74/x
3. Step 3: Cross multiply
   48,640,461.12x = 72,971,099.98 × 17,935,128.74
4. Step 4: Simplify right side
   48,640,461.12x = 1,308,746,072,578,301.50
5. Step 5: Solve for x
   x = 1,308,746,072,578,301.50/48,640,461.12
6. Step 6: Final answer
   x = 26,906,530.95