Finding the Fourth Proportional to 42,243,796.98, 58,403,053 and 31,213,148.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,243,796.98 : 58,403,053 = 31,213,148.94 : x
2. Step 2: Convert to fraction form
   42,243,796.98/58,403,053 = 31,213,148.94/x
3. Step 3: Cross multiply
   42,243,796.98x = 58,403,053 × 31,213,148.94
4. Step 4: Simplify right side
   42,243,796.98x = 1,822,943,191,547,698.50
5. Step 5: Solve for x
   x = 1,822,943,191,547,698.50/42,243,796.98
6. Step 6: Final answer
   x = 43,152,920.00