Finding the Fourth Proportional to 85,636,716.55, 118,178,785.53 and 46,478,493.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,636,716.55 : 118,178,785.53 = 46,478,493.83 : x
2. Step 2: Convert to fraction form
   85,636,716.55/118,178,785.53 = 46,478,493.83/x
3. Step 3: Cross multiply
   85,636,716.55x = 118,178,785.53 × 46,478,493.83
4. Step 4: Simplify right side
   85,636,716.55x = 5,492,771,954,388,446
5. Step 5: Solve for x
   x = 5,492,771,954,388,446/85,636,716.55
6. Step 6: Final answer
   x = 64,140,384.82