Finding the Fourth Proportional to 83,003,014.05, 124,579,808.55 and 42,090,914.40

Step by Step Solution

1. Step 1: Write the proportion equation
   83,003,014.05 : 124,579,808.55 = 42,090,914.40 : x
2. Step 2: Convert to fraction form
   83,003,014.05/124,579,808.55 = 42,090,914.40/x
3. Step 3: Cross multiply
   83,003,014.05x = 124,579,808.55 × 42,090,914.40
4. Step 4: Simplify right side
   83,003,014.05x = 5,243,678,057,646,438
5. Step 5: Solve for x
   x = 5,243,678,057,646,438/83,003,014.05
6. Step 6: Final answer
   x = 63,174,549.96