Finding the Fourth Proportional to 341,806,499.79, 512,709,755.76 and 83,019,976.05

Step by Step Solution

1. Step 1: Write the proportion equation
   341,806,499.79 : 512,709,755.76 = 83,019,976.05 : x
2. Step 2: Convert to fraction form
   341,806,499.79/512,709,755.76 = 83,019,976.05/x
3. Step 3: Cross multiply
   341,806,499.79x = 512,709,755.76 × 83,019,976.05
4. Step 4: Simplify right side
   341,806,499.79x = 42,565,151,643,796,544
5. Step 5: Solve for x
   x = 42,565,151,643,796,544/341,806,499.79
6. Step 6: Final answer
   x = 124,529,965.55