Finding the Fourth Proportional to 120,434,589.96, 166,196,498.88 and 70,877,879.52

Step by Step Solution

1. Step 1: Write the proportion equation
   120,434,589.96 : 166,196,498.88 = 70,877,879.52 : x
2. Step 2: Convert to fraction form
   120,434,589.96/166,196,498.88 = 70,877,879.52/x
3. Step 3: Cross multiply
   120,434,589.96x = 166,196,498.88 × 70,877,879.52
4. Step 4: Simplify right side
   120,434,589.96x = 11,779,655,424,262,454
5. Step 5: Solve for x
   x = 11,779,655,424,262,454/120,434,589.96
6. Step 6: Final answer
   x = 97,809,569.73