Finding the Fourth Proportional to 70,380,484.12, 105,570,514.86 and 17,858,053.86

Step by Step Solution

1. Step 1: Write the proportion equation
   70,380,484.12 : 105,570,514.86 = 17,858,053.86 : x
2. Step 2: Convert to fraction form
   70,380,484.12/105,570,514.86 = 17,858,053.86/x
3. Step 3: Cross multiply
   70,380,484.12x = 105,570,514.86 × 17,858,053.86
4. Step 4: Simplify right side
   70,380,484.12x = 1,885,283,940,397,810.25
5. Step 5: Solve for x
   x = 1,885,283,940,397,810.25/70,380,484.12
6. Step 6: Final answer
   x = 26,787,027.17