Finding the Fourth Proportional to 85,636,532.07, 118,178,528.29 and 46,478,308.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85,636,532.07 : 118,178,528.29 = 46,478,308.82 : x
2. Step 2: Convert to fraction form
   85,636,532.07/118,178,528.29 = 46,478,308.82/x
3. Step 3: Cross multiply
   85,636,532.07x = 118,178,528.29 × 46,478,308.82
4. Step 4: Simplify right side
   85,636,532.07x = 5,492,738,133,048,638
5. Step 5: Solve for x
   x = 5,492,738,133,048,638/85,636,532.07
6. Step 6: Final answer
   x = 64,140,128.05