Finding the Fourth Proportional to 503,050,419.30, 754,126,856.55 and 196,271,181.30

Step by Step Solution

1. Step 1: Write the proportion equation
   503,050,419.30 : 754,126,856.55 = 196,271,181.30 : x
2. Step 2: Convert to fraction form
   503,050,419.30/754,126,856.55 = 196,271,181.30/x
3. Step 3: Cross multiply
   503,050,419.30x = 754,126,856.55 × 196,271,181.30
4. Step 4: Simplify right side
   503,050,419.30x = 148,013,368,985,124,128
5. Step 5: Solve for x
   x = 148,013,368,985,124,128/503,050,419.30
6. Step 6: Final answer
   x = 294,231,677.99