Finding the Fourth Proportional to 192,476,111.96, 288,598,870.18 and 61,261,709.78

Step by Step Solution

1. Step 1: Write the proportion equation
   192,476,111.96 : 288,598,870.18 = 61,261,709.78 : x
2. Step 2: Convert to fraction form
   192,476,111.96/288,598,870.18 = 61,261,709.78/x
3. Step 3: Cross multiply
   192,476,111.96x = 288,598,870.18 × 61,261,709.78
4. Step 4: Simplify right side
   192,476,111.96x = 17,680,060,227,803,058
5. Step 5: Solve for x
   x = 17,680,060,227,803,058/192,476,111.96
6. Step 6: Final answer
   x = 91,855,867.45