Finding the Fourth Proportional to 122,567,196.70, 169,141,355.61 and 66,811,396.34

Step by Step Solution

1. Step 1: Write the proportion equation
   122,567,196.70 : 169,141,355.61 = 66,811,396.34 : x
2. Step 2: Convert to fraction form
   122,567,196.70/169,141,355.61 = 66,811,396.34/x
3. Step 3: Cross multiply
   122,567,196.70x = 169,141,355.61 × 66,811,396.34
4. Step 4: Simplify right side
   122,567,196.70x = 11,300,570,147,144,594
5. Step 5: Solve for x
   x = 11,300,570,147,144,594/122,567,196.70
6. Step 6: Final answer
   x = 92,198,976.98