Finding the Fourth Proportional to 116,159,449.87, 160,309,410.69 and 66,604,434.76

Step by Step Solution

1. Step 1: Write the proportion equation
   116,159,449.87 : 160,309,410.69 = 66,604,434.76 : x
2. Step 2: Convert to fraction form
   116,159,449.87/160,309,410.69 = 66,604,434.76/x
3. Step 3: Cross multiply
   116,159,449.87x = 160,309,410.69 × 66,604,434.76
4. Step 4: Simplify right side
   116,159,449.87x = 10,677,317,685,716,152
5. Step 5: Solve for x
   x = 10,677,317,685,716,152/116,159,449.87
6. Step 6: Final answer
   x = 91,919,492.54