Finding the Fourth Proportional to 101,336,824.88, 139,859,760.48 and 64,170,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   101,336,824.88 : 139,859,760.48 = 64,170,498.56 : x
2. Step 2: Convert to fraction form
   101,336,824.88/139,859,760.48 = 64,170,498.56/x
3. Step 3: Cross multiply
   101,336,824.88x = 139,859,760.48 × 64,170,498.56
4. Step 4: Simplify right side
   101,336,824.88x = 8,974,870,558,483,785
5. Step 5: Solve for x
   x = 8,974,870,558,483,785/101,336,824.88
6. Step 6: Final answer
   x = 88,564,749.97