Finding the Fourth Proportional to 253,741,277.89, 380,612,250.56 and 69,510,391.71

Step by Step Solution

1. Step 1: Write the proportion equation
   253,741,277.89 : 380,612,250.56 = 69,510,391.71 : x
2. Step 2: Convert to fraction form
   253,741,277.89/380,612,250.56 = 69,510,391.71/x
3. Step 3: Cross multiply
   253,741,277.89x = 380,612,250.56 × 69,510,391.71
4. Step 4: Simplify right side
   253,741,277.89x = 26,456,506,626,050,264
5. Step 5: Solve for x
   x = 26,456,506,626,050,264/253,741,277.89
6. Step 6: Final answer
   x = 104,265,678.99