Finding the Fourth Proportional to 46,059,837.48, 69,113,667.42 and 18,786,139.56

Step by Step Solution

1. Step 1: Write the proportion equation
   46,059,837.48 : 69,113,667.42 = 18,786,139.56 : x
2. Step 2: Convert to fraction form
   46,059,837.48/69,113,667.42 = 18,786,139.56/x
3. Step 3: Cross multiply
   46,059,837.48x = 69,113,667.42 × 18,786,139.56
4. Step 4: Simplify right side
   46,059,837.48x = 1,298,379,001,655,545
5. Step 5: Solve for x
   x = 1,298,379,001,655,545/46,059,837.48
6. Step 6: Final answer
   x = 28,188,961.85