Finding the Fourth Proportional to 185,665,853.99, 278,508,031.59 and 70,659,309.71

Step by Step Solution

1. Step 1: Write the proportion equation
   185,665,853.99 : 278,508,031.59 = 70,659,309.71 : x
2. Step 2: Convert to fraction form
   185,665,853.99/278,508,031.59 = 70,659,309.71/x
3. Step 3: Cross multiply
   185,665,853.99x = 278,508,031.59 × 70,659,309.71
4. Step 4: Simplify right side
   185,665,853.99x = 19,679,185,261,801,516
5. Step 5: Solve for x
   x = 19,679,185,261,801,516/185,665,853.99
6. Step 6: Final answer
   x = 105,992,485.09