Finding the Fourth Proportional to 119,946,143.99, 165,536,774.01 and 72,892,357.85

Step by Step Solution

1. Step 1: Write the proportion equation
   119,946,143.99 : 165,536,774.01 = 72,892,357.85 : x
2. Step 2: Convert to fraction form
   119,946,143.99/165,536,774.01 = 72,892,357.85/x
3. Step 3: Cross multiply
   119,946,143.99x = 165,536,774.01 × 72,892,357.85
4. Step 4: Simplify right side
   119,946,143.99x = 12,066,365,767,643,814
5. Step 5: Solve for x
   x = 12,066,365,767,643,814/119,946,143.99
6. Step 6: Final answer
   x = 100,598,196.55