Finding the Fourth Proportional to 85,434,111.72, 117,899,078.58 and 46,275,902.64

Step by Step Solution

1. Step 1: Write the proportion equation
   85,434,111.72 : 117,899,078.58 = 46,275,902.64 : x
2. Step 2: Convert to fraction form
   85,434,111.72/117,899,078.58 = 46,275,902.64/x
3. Step 3: Cross multiply
   85,434,111.72x = 117,899,078.58 × 46,275,902.64
4. Step 4: Simplify right side
   85,434,111.72x = 5,455,886,281,713,789
5. Step 5: Solve for x
   x = 5,455,886,281,713,789/85,434,111.72
6. Step 6: Final answer
   x = 63,860,748.03