Finding the Fourth Proportional to 123,730,407.90, 185,701,900.05 and 54,749,366.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,730,407.90 : 185,701,900.05 = 54,749,366.10 : x
2. Step 2: Convert to fraction form
   123,730,407.90/185,701,900.05 = 54,749,366.10/x
3. Step 3: Cross multiply
   123,730,407.90x = 185,701,900.05 × 54,749,366.10
4. Step 4: Simplify right side
   123,730,407.90x = 10,167,061,311,303,060
5. Step 5: Solve for x
   x = 10,167,061,311,303,060/123,730,407.90
6. Step 6: Final answer
   x = 82,171,080.53